Two competitors stand side-by-side, waiting for the signal to begin their race. If they're a little more nervous than your average race competitors, there's a good reason: this is not your average speed trial. The track for this event is a 750-meter (2,500 foot) drop down the side of a cliff, and a wrong move can mean something far more terminal than a sprained ankle or a twisted knee.
The competition is the World BASE Race, and the title up for grabs is 'The World's Fastest Flying Human Being.' To win, participants must race each other to the bottom of a cliff using only a wingsuit, the law of gravity - and nerves of steel.The Presurfer